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Originally Posted by MN2///M
Quote:
Originally Posted by miamiten
This is actually true. Although some of the same phenomenons were present in other vehicles using the HA1 Rear Axle, the E36/5 was susceptible to all of them at once along with another ugly issue. The car always would lift-off snap oversteer in corners and if the compressed rear spring was loaded to the max, it typically would bind. If the rotation was stopped with counter steering, this would cause a "tank slapper" and rotation in the opposite direction would begin. Where it went really bad was when the sprung load (the chassis weight) was within a certain range, it's natural harmonic frequency would come into conflict with the load reversal rate on the unsprung mass and pop the car up on two wheels.
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Now that sounds fun! |
Thankfully I never had to experience it in the car. And it was still a rare occurrence that needed all the lines to intersect. First time I saw it from behind it wasn't totally clear (car had already departed the pavement). Second time I saw it, I wanted to know what the deal was. Looked like a pneumatic jack had fired off. From then on if I had a student in an E36/5/7 in a corner where the suspension was heavily loaded, if it began to spin, it was both feet in, center the wheel, and wait for friction or something solid to end the ride. Much rather hit something with the car upright than on its side.